– Lat/Long: 48.71° N 121.99° W
South Twin Sister
Weather Forecast, United StatesIssued: 10 am Thu 16 Apr Local TimeUpdates in: hr min sUpdate imminent
Issued: 10 am Thu 16 Apr Local Time
Updates in:
Update imminent hr min s
Issued: 10 am Thu 16 Apr Local Time
Updates in:
Update imminent hr min s
3 South Twin Sister Elevations: 3 Forecast Elevations: Days 1–3 Weather SummarySome drizzle, heaviest during Thu morning. Very mild (max 15°C on Sat afternoon, min 1°C on Thu morning). Wind will be generally light. | Days 4–6 Weather SummaryMostly dry. Warm (max 20°C on Mon afternoon, min 13°C on Sun morning). Wind will be generally light. | |||||||||||||||||
Thursday 16 | Friday 17 | Saturday 18 | Sunday 19 | Monday 20 | Tuesday 21 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 | |  | | |  |  | | | | |  |  | | | | | | |
rain shwrs | rain shwrs | rain shwrs | rain shwrs | rain shwrs | some clouds | some clouds | some clouds | some clouds | some clouds | some clouds | clear | clear | clear | clear | clear | clear | some clouds | |
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
0.5 | 0.7 | 0.2 | 0.2 | 0.2 | — | — | — | — | — | — | — | — | — | — | — | — | — | |
max °C | 3 | 6 | 4 | 5 | 7 | 5 | 11 | 15 | 11 | 17 | 19 | 15 | 18 | 20 | 17 | 18 | 20 | 17 |
min °C | 1 | 4 | 2 | 3 | 6 | 5 | 7 | 14 | 11 | 13 | 19 | 13 | 15 | 20 | 14 | 16 | 20 | 13 |
1 | 2 | 2 | 3 | 6 | 5 | 6 | 14 | 11 | 13 | 19 | 13 | 15 | 20 | 14 | 16 | 20 | 13 | |
850 | 1150 | 850 | 1100 | 1400 | 1850 | 2100 | 2400 | 2600 | 2750 | 2900 | 2800 | 3000 | 3050 | 3000 | 3150 | 3150 | 3100 | |
Cloud base (m) | 600 | 750 | 600 | 650 | 800 | 5700 | 3200 | 2900 | 2550 | 3050 | 3150 | 6600 | ||||||
 | 6:15 | — | — | 6:13 | — | — | 6:11 | — | — | 6:09 | — | — | 6:07 | — | — | 6:05 | — | — |
 | — | — | 8:00 | — | — | 8:01 | — | — | 8:02 | — | — | 8:04 | — | — | 8:06 | — | — | 8:07 |
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South Twin Sister Weather (Days 0-3):
The weather forecast for South Twin Sister is: Some drizzle, heaviest during Thu morning. Very mild (max 15°C on Sat afternoon, min 1°C on Thu morning). Wind will be generally light.
South Twin Sister Weather (Days 3-6):
Mostly dry. Warm (max 20°C on Mon afternoon, min 13°C on Sun morning). Wind will be generally light.
This table gives the weather forecast for South Twin Sister at the specific elevation of 500 m. Our advanced weather models allow us to provide distinct weather forecasts for several elevations of South Twin Sister. To see the weather forecasts for the other elevations, use the tab navigation above the table. For a wider overview of the weather, consult the Weather Map of Washington.